Wammu - Wammu is a mobile phone manager using Gammu as its backend.
Pushover - Real-time notifications on your Android, iPhone, iPad, and Desktop
OxyFile - Oxygen Forensics - Mobile forensic software for cell phones, smartphones and other mobile devices
Pushbullet - Pushbullet - Your devices working better together
MyPhoneExplorer - WHAT IS MY PHONE EXPLORER? Imagine if your PC could be used to keep track of your mobile phone? How would you utilize a PC client that connects to your phone? Read more about MyPhoneExplorer.
Gotify - a simple self-hosted server for sending and receiving messages